| Bibliography |  Suggestions |
| 1 | Owen, D.I., Neo-Sumerian Archival Texts Primarily from Nippur in the University Museum, the Oriental Institute and the Iraq Museum, Winona Lake 1982 |
| 2 | Koslova, N., “Bezeichnungen der Arbeitskräfte in Umma der Ur III-Zeit” S. Garfinkle - J. C. Johnson (eds.), The Growth of an Early State in Mesopotamia: Studies in Ur III Administration, Biblioteca del Próximo Oriente Antiguo 5, Madrid 2008, pp. 149-206 |
| 3 | Pottorf, A.R., Social Stratification in Southern Mesopotamia during the Third Dynasty of Ur (ca. 2100–2000 BCE), Ph.D. Diss., Harvard University 2022 |
| http://cdli.earth/P120720 |
| http://www.penn.museum/collections/object.php?irn=582700 |
| http://oracc.museum.upenn.edu/epsd2/P120720 |
| http://www.ebl.lmu.de/library/CBS.7942 |